6466020266 has 16 divisors (see below), whose sum is σ = 9726298560. Its totient is φ = 3223933440.

The previous prime is 6466020259. The next prime is 6466020311. The reversal of 6466020266 is 6620206646.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440746 + ... + 1445226.

It is an arithmetic number, because the mean of its divisors is an integer number (607893660).

Almost surely, 2^6466020266 is an apocalyptic number.

6466020266 is a deficient number, since it is larger than the sum of its proper divisors (3260278294).

6466020266 is a wasteful number, since it uses less digits than its factorization.

6466020266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 6466020266 is about 80411.5679862046. The cubic root of 6466020266 is about 1862.9978505219.

The spelling of 6466020266 in words is "six billion, four hundred sixty-six million, twenty thousand, two hundred sixty-six".